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논문 기본 정보

자료유형
학술저널
저자정보
Park Min Young (Department of Colon and Rectal Surgery Asan Medical Center University of Ulsan College of Medicine) Yu Chang Sik (Division of Colon and Rectal Surgery Department of Surgery University of Ulsan College of Medicine Asan Medical Center Seoul Korea.) Kim Tae Won (Department of Oncology Asan Medical Center University of Ulsan College of Medicine) Kim Jong Hoon (Asan Medical Center University of Ulsan College of Medicine) Park Jin-hong (Asan Medical Center University of Ulsan College of Medicine) 이종률 (울산대학교) Yoon Yong Sik (Department of Surgery Asan Medical Center University of Ulsan College of Medicine) Park In Ja (University of Ulsan College of Medicine and Asan Medical Center Seoul) Lim Seok-Byung (Department of Surgery University of Ulsan College of Medicine and Asan Medical Center Seoul Korea) Kim Jin Cheon (University of Ulsan College of Medicine and Asan Medical Center Seoul)
저널정보
대한대장항문학회 Annals of Coloproctology Annals of Coloproctolgy Vol.39 No.3
발행연도
2023.6
수록면
250 - 259 (10page)
DOI
10.3393/ac.2022.00066.0009

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Purpose: This study was designed to determine the feasibility of preoperative chemoradiotherapy (PCRT) in patients with clinical T2N0 distal rectal cancer. Methods: Patients who underwent surgery for clinical T2N0 distal rectal cancer between January 2008 and December 2016 were included. Patients were divided into PCRT and non-PCRT groups. Non-PCRT patients underwent radical resection or local excision (LE) according to the surgeon’s decision, and PCRT patients underwent surgery according to the response to PCRT. Patients received 50.0 to 50.4 gray of preoperative radiotherapy with concurrent chemotherapy. Results: Of 127 patients enrolled, 46 underwent PCRT and 81 did not. The mean distance of lesions from the anal verge was lower in the PCRT group (P=0.004). The most frequent operation was transanal excision and ultralow anterior resection in the PCRT and non-PCRT groups, respectively. Of the 46 patients who underwent PCRT, 21 (45.7%) achieved pathologic complete response, including 15 of the 24 (62.5%) who underwent LE. Rectal sparing rate was significantly higher in the PCRT group (11.1% vs. 52.2%, P<0.001). There were no significant differences in 3- and 5-year overall survival and recurrence-free survival regardless of PCRT or surgical procedures. Conclusion: PCRT in clinical T2N0 distal rectal cancer patients increased the rectal sparing rate via LE and showed acceptable oncologic outcomes. PCRT may be a feasible therapeutic option to avoid abdominoperineal resection in clinical T2N0 distal rectal cancer.

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